The first link from my previous post includes a broken link. The clean link is here: https://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-Damping-Foil-2552/?N=5002385+3293194280&...
Here is the link to the product specification sheet: http://multimedia.3m.com/mws/media/96388O/3mtm-damping-foil-2552.pdf
Here is the link to the product specification sheet: http://multimedia.3m.com/mws/media/96388O/3mtm-damping-foil-2552.pdf